Home / 1,152,223.20-1,728,334.80-727,070.40

Finding the Fourth Proportional to 1,152,223.20, 1,728,334.80 and 727,070.40

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Solution

The fourth proportional to 1,152,223.20, 1,728,334.80 and 727,070.40 is: 1,090,605.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,223.20 : 1,728,334.80 = 727,070.40 : x
  2. Step 2: Convert to fraction form
    1,152,223.20/1,728,334.80 = 727,070.40/x
  3. Step 3: Cross multiply
    1,152,223.20x = 1,728,334.80 × 727,070.40
  4. Step 4: Simplify right side
    1,152,223.20x = 1,256,621,074,369.92
  5. Step 5: Solve for x
    x = 1,256,621,074,369.92/1,152,223.20
  6. Step 6: Final answer
    x = 1,090,605.60

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.